// checkpw - Check passwords against pwnedpasswords.com
// Copyright (C) 2018  Harald Eilertsen <haraldei@anduin.net>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

use checkpw::{check, Password};
use std::{env, error::Error, process, thread, time};

fn print_usage() {
    println!("Usage: checkpw <pw>...");
}

fn main() {
    let (args, passwords): (Vec<String>, Vec<String>) =
        env::args().skip(1).partition(|arg| arg.starts_with('-'));

    if args.is_empty() && passwords.is_empty() {
        print_usage();
        return;
    }

    let mut first_round = true;
    let mut pwn_count = 0;

    for pw in passwords {
        if first_round {
            first_round = false;
        } else {
            thread::sleep(time::Duration::new(1, 0));
        }

        match check(Password::new(&pw)) {
            Err(e) => println!("{}", e.description()),
            Ok(num) => {
                if num > 0 {
                    println!("Password is PWNED! It was found in {} breaches.", num);
                    pwn_count += 1;
                } else {
                    println!("Password was not found in any breaches");
                }
            }
        }
    }

    process::exit(pwn_count);
}